Suzuki AN400 - Page 200

1D-56 Engine Mechanical:
Cylinder + Piston + Piston Ring
Unit: mm (in)
Conrod + Crankshaft
Unit: mm (in)
Throttle Body
Item Standard Limit
Compression pressure
(Automatic de-comp. actuated)
E-02, 19,
24, 54
1 060 – 1 140 kPa
(10.6 – 11.4 kgf/cm
2
, 151 – 162 psi)
660 kPa
(6.0 kgf/cm
2
, 94 psi)
E-03, 28,
33
1 000 – 1 080 kPa
(10.0 – 10.8 kgf/cm
2
, 142 – 154 psi)
620 kPa
(6.2 kgf/cm
2
, 88 psi)
Piston to cylinder clearance 0.025 – 0.035 (0.0010 – 0.0014) 0.120 (0.005)
Cylinder bore 81.000 – 81.015 (3.1890 – 3.1896)
No nicks or
scraches
Piston diam.
80.970 – 80.985 (3.1878 – 3.1884)
(Measure at 15 mm (0.6 in) from the skirt end.)
80.880 (3.1842)
Cylinder distortion — 0.05 (0.002)
Piston ring free end gap
1st IT Approx. 7.5 (0.30) 6.0 (0.24)
2nd 2T Approx. 11.5 (0.45) 9.2 (0.36)
Piston ring end gap
1st 0.06 – 0.21 (0.002 – 0.008) 0.5 (0.02)
2nd 0.06 – 0.18 (0.002 – 0.007) 0.5 (0.02)
Piston ring to groove clearance
1st — 0.18 (0.007)
2nd — 0.15 (0.006)
Piston ring groove width
1st 1.21 – 1.23 (0.0476 – 0.0484) —
2nd 1.01 – 1.03 (0.0398 – 0.0406) —
Oil 2.01 – 2.03 (0.0791 – 0.0799) —
Piston ring thickness
1st 1.17 – 1.19 (0.461 – 0.469) —
2nd 0.97 – 0.99 (0.0382 – 0.0390) —
Piston pin bore 20.002 – 20.008 (0.7874 – 0.7877) 20.030 (0.789)
Piston pin O.D. 19.996 – 20.000 (0.7872 – 0.7874) 19.980 (0.787)
Item Standard Limit
Conrod small end I.D. 20.006 – 20.014 (0.7876 – 0.7880) 20.040 (0.789)
Conrod deflection — 3.0 (0.12)
Conrod big end side clearance 0.10 – 0.65 (0.004 – 0.026) 1.0 (0.04)
Conrod big end width 21.95 – 22.00 (0.864 – 0.866) —
Width between crankshaft webs 59.9 – 60.1 (2.358 – 2.366) —
Crankshaft runout — 0.08 (0.003)
Item
Specification
E-02, 03, 19, 24, 28, 54 E-33
ID No. 05H0 05H1
Bore size 38 mm (1.5 in) ←
Fast idle r/min 1 500 – 2 000 r/min ←
Idle r/min 1 450 ± 100 r/min ←
Throttle cable play 2.0 – 4.0 mm (0.08 – 0.16 in) ←